Seal for a joint or juncture – Seal between fixed parts or static contact against... – Contact seal for other than internal combustion engine – or...
Patent
1999-03-22
2000-12-19
Knight, Anthony
Seal for a joint or juncture
Seal between fixed parts or static contact against...
Contact seal for other than internal combustion engine, or...
277647, 277648, 277650, 277910, 277944, F16J 1502
Patent
active
061618411
ABSTRACT:
This invention discloses, as a manufacture, a vehicle O ring fuel cap gasket having a diagonally inverted modified C shape cross section and a groove extending for the full circumference of the O ring and in cross section the groove edges extend downward, with one or first edge extending downward to about 4 o'clock position and the other or second edge extending downward to about 7:30 o'clock, to provide a groove opening extending diagonally upwards for a depth of about 2.2.times. to about 2.5.times. the thickness T-T' of the back of the C shape, and optional ridges on the outer circumference, the inner circumference, or the top of the O ring, and the O ring formed of an elastomer having a Shore A hardness about 50 to 60 and ultimate elongation range of 200% to 315%.
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Johnson Robert T.
Knight Anthony
Pickard Alison K.
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